STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STM32F429I-DISCO LCD and ETHERNET CONFLICT

Posted on December 30, 2013 at 05:41I think I found a serious pin conflict with the CPU being used on the STM32F429I-DISCO boards if you want use the TFT LCD and networking at the same time. The TFT LCD interface function conflicts with the only two...

magore by Associate II
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For certain complex fpu instructions from math.h library, how to calculate the number of cycles taken to complete an instruction on ARM cortex M4 based MCU(STM32)

Posted on December 22, 2014 at 17:00 For example: output = asinf(num1)*0/PI; //result = 60 output = output/2.0; //result = 30 output = output * PI /0; //result = 0.5235987 radians (30 degrees0 output = tanf(output); /...

STM32F4 TIM8 complementary

Posted on December 28, 2014 at 14:44 Hello, I can't figure out why my code doesn't work! I've worked with TIM1 and everything works fine but when I change to TIM8, PC6 and PC7 are always on and the complementaries always off. Please help me out a...

zarkscon by Associate II
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Hard fault on os_tsk_self()

Posted on December 24, 2014 at 06:38 Don't really know what else to say. I'm using uVision4.74 and RTX. Please don't suggest to switch to uVision 5 and CMSIS-RTOS RTX. This line is a part of a function that was called many times before, so it...

Virtual COM Port on STM32L053 w/IDB04A1 ?

Posted on December 24, 2014 at 19:03According to the documentation and the release notes, it looks like I should be able to either download the binary or a rebuilt HEX file for the VirtualCOMPort project to the STM32L053 Nucleo board and then connec...

eleventen by Associate III
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I2C problem, no ACK

Posted on December 27, 2014 at 16:28Hei,I am trying to communicate with the Barometric sensor MS 5611, using the I2C protocol. My micro is STM32f3discovery. The address of the sensor is send, but not the command. The code is stucked in the while loo...

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esovo1 by Associate II
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low speed GPIO for FMC?

Posted on December 27, 2014 at 11:11HAL_FMC_MspInit()  generated by F4 CubeMX   initializes all FMC related pins as GPIO_InitStruct.Speed = GPIO_SPEED_LOW;   SDRAM is driven at max 84MHz frequency (STM32F429). I know that SPEED_LOW is only a slew ...

STM32F05 ADC Disscusson

Posted on December 26, 2014 at 06:56 Dear All, I started STM32F0 ADC configurations select independent conversion mode (single) ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; But my CMSIS stm32f0xx.adc.c file does not have...

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